Allocates a block of memory from a heap.

从指定堆上面分配内存块。

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The other problem with using this for larger buffers is that since it allocates non-paged memory, it would need to allocate a large block of sequential non-paged memory.

另外一个将它用于较大缓冲区的问题是，由于他分配了未分页内存，它也许会需要在连续的未分页内存中分配较大的一个块。

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When you request a memory block, the debug heap manager allocates from the base heap a slightly larger block of memory than requested and returns a pointer to your portion of that block.

当您要求记忆体区块时，侦错堆积管理员会从基底堆积配置比要求稍微大一点的记忆体区块，并且传回此区块部分的指标。

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